<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>输入框</title>
    <link rel="stylesheet" href="./css/index.css">
</head>
<body>
    <div class="wrapperdiv">
        <div class="input-datadiv">
            <input type="text" required>
            <!-- <div class="underlinediv"></div> -->
            <label>您的姓名</label>
        </div>
    </div>
</body>

</html>